Finding the Fourth Proportional to 1,228,692.71, 1,695,603.82 and 684,862.99
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Solution
The fourth proportional to 1,228,692.71, 1,695,603.82 and 684,862.99 is: 945,115.31
Step by Step Solution
- Step 1: Write the proportion equation
1,228,692.71 : 1,695,603.82 = 684,862.99 : x - Step 2: Convert to fraction form
1,228,692.71/1,695,603.82 = 684,862.99/x - Step 3: Cross multiply
1,228,692.71x = 1,695,603.82 × 684,862.99 - Step 4: Simplify right side
1,228,692.71x = 1,161,256,296,069.45 - Step 5: Solve for x
x = 1,161,256,296,069.45/1,228,692.71 - Step 6: Final answer
x = 945,115.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.